US Bridges

Musgrave Parkway over Unamed Trib Coon Crk

Good

McHenry County, Illinois · 0.4 MI W Seeman RD · Structure no. 056318500000000

Built
2005
20 years old
Condition
Good
inspected October 2022
Type
Culvert
Concrete
Length
28 ft
3 main spans
Daily traffic
100
2021 count
Owner
Town / Township
Town or Township Highway Agency

About this bridge

Musgrave Parkway over Unamed Trib Coon Crk is a concrete culvert carrying Musgrave Parkway over Unamed Trib Coon Crk in McHenry County, Illinois. It was built in 2005, so it is 20 years old, younger than the Illinois average of 45.3 years.

The most recent inspection reported to the Federal Highway Administration rates it in good condition with a lowest component rating of 8 out of 9. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

It carries about 100 vehicles a day, roughly 15% of them trucks, projected to reach 120 by 2046. The structure is 28 ft (8.4 m) long.

CarriesMusgrave Parkway
CrossesUnamed Trib Coon Crk
Location0.4 MI W Seeman RD
RouteCounty Highway 0
Coordinates42.16553, -88.5026
Functional classRural Local

Condition and inspection

Good

All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted.

ComponentRatingMeaning
Channel and channel protection8 Very GoodNo problems noted.
Culvert8 Very GoodNo problems noted.
Last inspectionOctober 2022
Inspection intervalevery 48 months
Operating statusOpen, no restriction
ScourFoundations stable; scour above top of footing
Structural evaluation8: Equal to present desirable criteria
Waterway adequacy9: Superior to present desirable criteria
Approach roadway alignment8: Equal to present desirable criteria
Operating rating68.6 US tons
Inventory rating41.1 US tons

Structure

Structure typeCulvert
MaterialConcrete
DeckNot applicable
Main spans3
Design loadHS 20
Structure length28 ft (8.4 m)
Longest span8 ft (2.4 m)
Deck width0 ft (0 m)
Roadway width0 ft (0 m)
Vertical clearance over deckUnrestricted

Traffic and service

Average daily traffic100 (2021)
Projected traffic120 by 2046
Trucks15%
Lanes on structure2
Traffic directionTwo-way traffic
CarriesHighway
CrossesWaterway
Detour if closed—
TollOn a free road
National Highway SystemNo

Ownership and planned work

OwnerTown or Township Highway Agency
Maintained byTown or Township Highway Agency
Historic statusNot eligible for the National Register of Historic Places
Work proposedNone recorded
Estimated improvement cost—
NavigationNo navigation control on waterway

Frequently asked questions

When was Musgrave Parkway over Unamed Trib Coon Crk built?

It was built in 2005, making it 20 years old in 2025.

What condition is Musgrave Parkway over Unamed Trib Coon Crk in?

The National Bridge Inventory rates it in good condition. All primary components (deck, superstructure, substructure, or culvert) are rated 7 or higher. No significant problems were noted. The last reported inspection was in October 2022.

How much traffic does Musgrave Parkway over Unamed Trib Coon Crk carry?

About 100 vehicles per day (2021 count), of which roughly 15% are trucks.

How long is Musgrave Parkway over Unamed Trib Coon Crk?

The structure is 28 ft (8.4 m) long with a longest span of 8 ft (2.4 m).

Who owns Musgrave Parkway over Unamed Trib Coon Crk?

It is owned by the Town or Township Highway Agency.